
(function(){
	
	function GPS(x, y){
		this.x = x;
		this.y = y;
		this.toString = function(){
			return x+","+y;
		}
	}
	
	function BMap2GPS(bx, by){
		var url = "http://api.map.baidu.com/geoconv/v1/?coords="+bx+","+by+"&from=1&to=5&ak=15EdmORyQbzDsGOQHiTsW2oh&output=json";
		$.get(url, function(data){
			
		}, "json");
	}

	function Convertor(){
		
	}
	/*
	Convertor.prototype = {
		
		BMap2GPS : function(bx, by){
			 
		}
		
	}
	
	function load_script(xyUrl, callback){
	    var head = document.getElementsByTagName('head')[0];
	    var script = document.createElement('script');
	    script.type = 'text/javascript';
	    script.src = xyUrl;
	    //借鉴了jQuery的script跨域方法
	    script.onload = script.onreadystatechange = function(){
	        if((!this.readyState || this.readyState === "loaded" || this.readyState === "complete")){
	            callback && callback();
	            // Handle memory leak in IE
	            script.onload = script.onreadystatechange = null;
	            if ( head && script.parentNode ) {
	                head.removeChild( script );
	            }
	        }
	    };
	    // Use insertBefore instead of appendChild  to circumvent an IE6 bug.
	    head.insertBefore( script, head.firstChild );
	}
	function translate(point,type,callback){
	    var callbackName = 'cbk_' + Math.round(Math.random() * 10000);    //随机函数名
	    var xyUrl = "http://api.map.baidu.com/ag/coord/convert?from="+ type + "&to=4&x=" + point.lng + "&y=" + point.lat + "&callback=BMap.Convertor." + callbackName;
	    //动态创建script标签
	    load_script(xyUrl);
	    BMap.Convertor[callbackName] = function(xyResult){
	        delete BMap.Convertor[callbackName];    //调用完需要删除改函数
	        var point = new BMap.Point(xyResult.x, xyResult.y);
	        callback && callback(point);
	    }
	}

	
		*/
	window.TMap = window.TMap || {};
	
	TMap.prototype = {
		Convertor: Convertor,
		GPS: GPS
	}
	

	
})();
